NORMATIVE
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- This Specification sets forth KI's Service Assessment Criteria for assessments against the requirements of NIST Special Publication 800-63B Revision 4, published in August 2025, at applicable Authentication Assurance Levels, to be generally referred to as the '63B-4_SAC'.
- Please fill out the form to receive the 63B-4_SAC.
- The current version of the 63B-4_SAC is v1.0, released May 2026.

